﻿REPORT 
  OF 
  THE 
  STATE 
  ENTOMOLOGIST 
  255 
  

  

  In 
  the 
  preceding 
  Report, 
  the 
  observed 
  progress 
  was 
  given 
  of 
  the 
  elm- 
  

   leaf 
  beetle 
  along 
  the 
  Hudson 
  river 
  from 
  Newburg 
  northward 
  until 
  it 
  

   reached 
  Albany 
  in 
  1892, 
  and 
  its 
  subsequent 
  spread 
  in 
  a 
  portion 
  of 
  the 
  

   city. 
  It 
  is 
  proposed 
  in 
  the 
  present 
  article, 
  to 
  present 
  some 
  additional 
  

   observations 
  made 
  upon 
  this 
  insect, 
  which, 
  from 
  its 
  serious 
  injuries 
  to 
  a 
  

   favorite 
  shade-tree, 
  is 
  exciting 
  much 
  interest. 
  

  

  This 
  insect 
  was 
  very 
  destructive 
  the 
  present 
  year 
  to 
  the 
  foliage 
  of 
  the 
  

   English 
  elms 
  ( 
  Ulmus 
  campesiris) 
  in 
  both 
  Albany 
  and 
  Troy. 
  A 
  second 
  

   brood 
  of 
  the 
  beetle 
  was 
  observed 
  in 
  1895, 
  but, 
  owing 
  to 
  absence 
  from 
  

   town, 
  it 
  was 
  impossible 
  to 
  make 
  the 
  continuous 
  observations 
  upon 
  it 
  

   desirable. 
  The 
  present 
  year 
  an 
  effort 
  was 
  made 
  to 
  settle 
  some 
  of 
  the 
  dis- 
  

   puted 
  points 
  concerning 
  the 
  habits 
  of 
  the 
  insect 
  so 
  far 
  north. 
  Two 
  

   annual 
  broods 
  were 
  known 
  to 
  occur 
  in 
  the 
  southern 
  part 
  of 
  New 
  Jersey, 
  

   while, 
  according 
  to 
  the 
  observations 
  of 
  Dr. 
  Smith 
  in 
  successive 
  years, 
  

   the 
  insect 
  was 
  limited 
  to 
  a 
  single 
  brood 
  at 
  New 
  Brunswick, 
  in 
  the 
  

   northern 
  part 
  of 
  the 
  State. 
  On 
  this 
  account 
  it 
  had 
  been 
  taken 
  for 
  

   granted 
  that 
  but 
  a 
  single 
  brood 
  would 
  develop 
  further 
  north, 
  and 
  obser- 
  

   vations 
  made 
  by 
  Dr. 
  Howard 
  in 
  Connecticut 
  in 
  1895, 
  seemed 
  to 
  con- 
  

   firm 
  this 
  belief. 
  It 
  was, 
  therefore 
  quite 
  a 
  surprise 
  when, 
  beyond 
  question, 
  

   two 
  well 
  marked 
  broods 
  were 
  observed 
  by 
  me 
  in 
  Albany 
  in 
  1895, 
  

   and 
  a 
  small 
  third 
  one 
  the' 
  present 
  year 
  (1896). 
  Instead 
  of 
  retiring 
  in 
  

   midsummer 
  to 
  hibernating 
  quarters, 
  there 
  to 
  remain 
  until 
  the 
  following 
  

   spring, 
  as 
  at 
  New 
  Brunswick, 
  the 
  beetles 
  continued 
  their 
  feeding 
  and 
  

   oviposition 
  so 
  late 
  in 
  the 
  season 
  that 
  larvae 
  were 
  to 
  be 
  found 
  so 
  long 
  as 
  

   any 
  leaves 
  remained 
  suitable 
  for 
  their 
  food. 
  

  

  Broods 
  in 
  i8g6, 
  in 
  Albany. 
  

  

  The 
  larvae 
  of 
  the 
  first 
  brood, 
  those 
  from 
  eggs 
  deposited 
  by 
  the 
  over 
  

   wintered 
  beetles, 
  were 
  observed 
  descending 
  the 
  trees 
  for 
  pupation 
  on 
  

   June 
  19th. 
  On 
  the 
  22nd 
  a 
  number 
  of 
  the 
  pupae 
  were 
  collected. 
  The 
  

   first 
  beetles 
  of 
  this 
  lot 
  appeared 
  the 
  30th, 
  and 
  by 
  July 
  yth 
  they 
  had 
  all 
  

   transformed. 
  

  

  Most 
  of 
  the 
  English 
  elms 
  in 
  the 
  vicinity 
  of 
  South 
  Hawk 
  street, 
  Albany, 
  

   were 
  completely 
  defoliated 
  by 
  the 
  first 
  brood. 
  A 
  close 
  watch 
  of 
  this 
  

   district 
  was 
  maintained 
  throughout 
  the 
  remainder 
  of 
  the 
  season. 
  July 
  

   nth 
  a 
  cluster 
  of 
  eggs 
  was 
  found 
  on 
  the 
  large 
  lower 
  leaves 
  of 
  one 
  tree. 
  

   Unfortunately 
  the 
  tops 
  of 
  the 
  tall 
  trees 
  were 
  so 
  inaccessible 
  as 
  to 
  make 
  their 
  

   close 
  observation 
  impracticable. 
  It 
  is 
  probable 
  that 
  numbers 
  of 
  eggs 
  

   were 
  laid 
  on 
  the 
  fohage 
  of 
  the 
  higher 
  branches 
  during 
  the 
  month 
  of 
  July, 
  

   as 
  eggs 
  were 
  found 
  from 
  day 
  to 
  day 
  on 
  the 
  rather 
  fresh 
  lower 
  leaves 
  at 
  a 
  

   time 
  when 
  the 
  upper 
  appeared 
  to 
  be 
  in 
  even 
  better 
  condition. 
  

  

  